2244420025 has 6 divisors (see below), whose sum is σ = 2783080862. Its totient is φ = 1795536000.

The previous prime is 2244420007. The next prime is 2244420029. The reversal of 2244420025 is 5200244422.

It can be written as a sum of positive squares in 3 ways, for example, as 8737936 + 2235682089 = 2956^2 + 47283^2 .

It is not a de Polignac number, because 2244420025 - 2¹³ = 2244411833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 89776801 = 2244420025 / (2 + 2 + 4 + 4 + 4 + 2 + 0 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244420029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44888376 + ... + 44888425.

Almost surely, 2^2244420025 is an apocalyptic number.

2244420025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2244420025 is a deficient number, since it is larger than the sum of its proper divisors (538660837).

2244420025 is an equidigital number, since it uses as much as digits as its factorization.

2244420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89776811 (or 89776806 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2244420025 is about 47375.3102892213. The cubic root of 2244420025 is about 1309.2865654754.

Adding to 2244420025 its reverse (5200244422), we get a palindrome (7444664447).

The spelling of 2244420025 in words is "two billion, two hundred forty-four million, four hundred twenty thousand, twenty-five".